Prime95 29.4b7 Denial of Service via Proxy Password Field
Published Apr 26, 2026
6.9
MEDIUMCVSS 4.0
EPSS 0.14%
Description
Prime95 29.4b7 contains a buffer overflow vulnerability in the PrimeNet connection dialog that allows local attackers to crash the application by supplying an excessively long string in the optional proxy password field. Attackers can trigger a denial of service by entering a 6000-byte payload into the proxy password parameter, causing the application to crash when processing the connection settings.
Affected products
-
- Version 29.4b7StatusaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Apr 27, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Apr–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.14% (0.00137) | 2.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.14% (0.00137) | 3.42th | v5 (v2026.06.15) |
| Apr 27, 2026 | 0.01% (0.00012) | 1.63th | v4 (v2025.03.14) |
References (4)
- http://www.mersenne.org product
- http://www.mersenne.org/ftp_root/gimps/p95v294b7.win32.zip product
- https://www.exploit-db.com/exploits/45226 exploit
- https://www.vulncheck.com/advisories/prime95-29-4b7-denial-of-service-via-proxy-password-field third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.mersenne.org | product | |
| http://www.mersenne.org/ftp_root/gimps/p95v294b7.win32.zip | product | |
| https://www.exploit-db.com/exploits/45226 | exploit | |
| https://www.vulncheck.com/advisories/prime95-29-4b7-denial-of-service-via-proxy-password-field | third-party-advisory |
Change history (0)
No recorded changes yet.